| NOUN | substance | atomic number 92, uranium, U | a heavy toxic silvery-white radioactive metallic element |
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| Meaning | A heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons. | |
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| Synonyms | uranium, U | |
| Narrower | uranium 235 | A uranium isotope with mass number 235 |
| uranium 238 | The commonest isotope of uranium | |
| Broader | metallic element, metal | Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
| Substance of | uraninite, pitchblende | A mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium |
| Spanish | número atómico 92, U, uranio | |
| Catalan | número atòmic 92, U, urani | |
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